<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>进度条</title>
  <link rel="stylesheet" href="layout.css">
 </head>
<body>
下载进度：<progress value="0" max="100" id="progress"></progress><br>
<input type="button" value="开始" id="start">
<input type="button" value="暂停" id="suspend">
<input type="button" value="重置" id="reset">
<script src="//apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
<script src="main.js"></script>
</body>
</html>
